@article{RSMUP_2013__129__35_0,
     author = {Patassini, Massimiliano},
     title = {On the (non-)contractibility of the order complex of the coset poset of an alternating group},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {35--46},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {129},
     year = {2013},
     mrnumber = {3090629},
     zbl = {1281.20027},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_2013__129__35_0/}
}